What is cc-sidecar?
cc-sidecar is a Claude Code mod by HoshimuraYuto that see what codex, claude and gemini do when Claude Code delegates to them from Bash. It is listed under Agents & automation and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | HoshimuraYuto |
| Repository | HoshimuraYuto/cc-sidecar |
| Popularity | no public popularity data yet |
| Category | Agents & automation |
| Security | Review before installing (76/100) |
| Rank | #3,368 of 5,272 Claude Code mods; #260 in Agents & automation |
| License | MIT |
| Last commit | 2026-09-20 |
| Hooks | 6 events |
| Sees | Bash calls |
| Draws on | PromptHint, Pane |
Is cc-sidecar safe to install?
cc-sidecar scores 76/100 on the MCPMods security check: Review before installing. Things to review: writes files or config; reads environment variables. It passed 6 of 8 checks.
Mod footprints come from claude plugin validate, which lists every event a mod hooks and every API call it makes without running it.
| Check | Result |
|---|---|
| No network access | Pass |
| Starts no processes | Pass |
| Writes files or config | Review |
| Reads environment variables | Review |
| Only sees the events it hooks | Pass |
| Doesn't drive Claude | Pass |
| Passes claude plugin validate | Pass |
| Has an open-source license | Pass |
API calls in its code
| Call | What it means |
|---|---|
$.clock.every | |
$.command.register | |
$.config.set | changes config |
$.env.get | reads env vars |
$.fs.read | reads files |
$.fs.write | writes files |
$.store.get | keeps its own state |
$.store.set | keeps its own state |
$.ui.close | draws interface |
$.ui.invalidate | draws interface |
$.ui.open | draws interface |
$.ui.panes | draws interface |
$.ui.resolve | draws interface |
How do I install cc-sidecar?
- Check your Claude Code version. Mods need Claude Code 2.1.287 or later and are on by default.
claude --version
- Read its footprint. This lists every event it hooks and every API call it makes, without running it.
git clone https://github.com/HoshimuraYuto/cc-sidecar claude plugin validate ./cc-sidecar/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add HoshimuraYuto/cc-sidecar && claude plugin install cc-sidecar@cc-sidecar
Or ask Claude to set it up
Paste this into Claude Code and it installs cc-sidecar for you:
Install the "cc-sidecar" Claude Code mod from https://github.com/HoshimuraYuto/cc-sidecar. Run claude plugin validate on it first and show me what it can access before you enable it.